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ICD-10 Code R79.0: Abnormal level of blood mineral

R79.0 is a billable ICD-10 diagnosis code used to classify Abnormal level of blood mineral in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

When is it used?

  • May be used when a clinician documents abnormal level of blood mineral in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
block
R70-R79Abnormal findings on examination of blood, without diagnosis
category
R79Other abnormal findings of blood chemistry
currentR79

Official coding notes

Inclusion terms
  • Abnormal blood level of cobalt
  • Abnormal blood level of copper
  • Abnormal blood level of iron
  • Abnormal blood level of magnesium
  • Abnormal blood level of mineral NEC
  • Abnormal blood level of zinc
Excludes1 (do not code together)
  • abnormal level of lithium (R78.89)
  • disorders of mineral metabolism (E83.-)
  • neonatal hypomagnesemia (P71.2)
  • nutritional mineral deficiency (E58-E61)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

General PhysicianHematologist

Coverage-related procedures and services

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
R79.0

Common synonyms

Abnormal level of blood mineral

Frequently asked questions

Code details

CodeR79.0
SystemICD10
Display nameAbnormal level of blood mineral
ChapterSymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
BlockAbnormal findings on examination of blood, without diagnosis

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Abnormal, abnormality, abnormalitiesAbnormal, abnormality, abnormalitiesAbnormal, abnormality, abnormalitiesAbnormal, abnormality, abnormalitiesAbnormal, abnormality, abnormalitiesAbnormal, abnormality, abnormalitiesAbnormal, abnormality, abnormalities

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code R79.0 for Abnormal level of blood mineral | HealthAssure